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Chemistry, 28.10.2020 22:30 bm42400

A major advantage of the mole concept is that it enables a chemist to “count by weighing.” If one mole of potassium metal has a mass of 39.1 g, how many atoms are in a. 39.1g potassium
b. 19.6g potassium
c. 3.91g potassium

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